EP1752688B1 - "Shift-by-wire"-Schaltvorrichtung - Google Patents

"Shift-by-wire"-Schaltvorrichtung Download PDF

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Publication number
EP1752688B1
EP1752688B1 EP05107368A EP05107368A EP1752688B1 EP 1752688 B1 EP1752688 B1 EP 1752688B1 EP 05107368 A EP05107368 A EP 05107368A EP 05107368 A EP05107368 A EP 05107368A EP 1752688 B1 EP1752688 B1 EP 1752688B1
Authority
EP
European Patent Office
Prior art keywords
shift
selector lever
gearshift device
contoured surface
wire gearshift
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP05107368A
Other languages
English (en)
French (fr)
Other versions
EP1752688A1 (de
Inventor
Marc Dominguis Botella
Javier Moreno Colom
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fico Triad SA
Original Assignee
Fico Triad SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fico Triad SA filed Critical Fico Triad SA
Priority to EP05107368A priority Critical patent/EP1752688B1/de
Priority to AT05107368T priority patent/ATE421056T1/de
Priority to DE602005012387T priority patent/DE602005012387D1/de
Priority to US11/501,945 priority patent/US20070034041A1/en
Priority to JP2006218155A priority patent/JP5042560B2/ja
Publication of EP1752688A1 publication Critical patent/EP1752688A1/de
Application granted granted Critical
Publication of EP1752688B1 publication Critical patent/EP1752688B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H59/08—Range selector apparatus
    • F16H59/10—Range selector apparatus comprising levers
    • F16H59/105—Range selector apparatus comprising levers consisting of electrical switches or sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H59/04—Ratio selector apparatus
    • F16H59/044—Ratio selector apparatus consisting of electrical switches or sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/24—Providing feel, e.g. to enable selection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/24—Providing feel, e.g. to enable selection
    • F16H2061/243—Cams or detent arrays for guiding and providing feel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20582—Levers
    • Y10T74/20612—Hand

Definitions

  • the present invention relates to a shift-by-wire gearshift device comprising a selector lever operable by a user for remotely controlling a motor vehicle transmission.
  • Biasing means are provided to maintain one end of the selector lever in contact with a contoured surface for providing the user with a shifting feeling, and detection means comprising emitting means and receiving means.
  • Drive-by-wire technology is currently known, for example, in latest generation transmission systems (shift-by-wire devices) in which conventional mechanical link (usually a cable) between two elements is replaced by electronic link.
  • electronic link is provided between the selector lever and the transmission of the motor vehicle.
  • gear shift is requested by the driver using the selector lever.
  • Detection means inform a control unit of the requested gear shift. Such request is processed by a control unit and a command signal is sent for actuating the clutch and the gear sequence according to the driver's request.
  • Some shift-by-wire devices combine the above mentioned detection means with means for providing the driver with the desired shift feeling as if it is a mechanical shifting device.
  • Said feeling means may comprise biasing means acting on a follower member so that it is in contact with a contoured surface.
  • the shift selector mechanism includes detection and feeling features.
  • the feeling feature is provided by a follower provided at the lower end of a selector lever for pre-loaded travel on a single cam track supported longitudinally on a rocker.
  • the cam track is contoured to simulate shift effort and feel of conventional manual gear shifting operations.
  • Detection feature is carried out by indicators operative for transmitting shift-by-wire signals to actuators thereby executing desired transmission gear selections.
  • Position indicators are located on each rocker pivot axis and continuously monitor the rotational travel of each rocker pivot pin about its axis.
  • a control module receives signals generated by the position indicators and incorporates memory and computer means adapted to indicate the instantaneous position of the follower as it is moved in the selected shift plane of the cam track.
  • the indicators consist of two separate electrical angular position sensors (rotary angle instrument sensors) provided on a longitudinal axis and on a transverse axis.
  • a gearshift lever is coupled with a control lug forming part of detection means having separate sensors.
  • the control lug reflects a signal which is sent as a signal corresponding to the shift position of the gearshift lever to a control unit of the transmission.
  • the feeling means comprises contoured surfaces over which the lower end of the lever is guided through spring-loaded rollers for simulating the positive feel of a conventional mechanical gearchange.
  • US2002056334 which discloses all the features of the preamble of independent claim 1, refers to a shifting device for an automatic transmission having a shift lever with biasing means intended for maintaining one end of the lever in contact with a contoured surface and detection means comprising a magnet arranged on a side portion of a holder, separate from the lever.
  • EP1262689 refers to a device for controlling an automatic and sequential gearbox comprising a selection lever having a lower end that is biased on a contoured surface and a magnet, for detecting the lever position, fitted in a lateral surface of the assembly.
  • the present invention provides a shift-by-wire gearshift device that is simpler and more compact than prior art gearshift devices. This is accomplished by providing detection means comprising emitting means and receiving means.
  • the emitting means or the receiving means is attached to the end of the selector lever for detecting the position of the selector lever end on a contoured surface.
  • the emitting means are the ones fitted in the selector lever end.
  • the detection means work in combination with the above mentioned feeling or haptic feature which, as stated below, is carried out through biasing means which maintain one end of the selector lever in contact with a contoured surface. Therefore, the selector lever end itself performs two functions, that is, to provide the shifting feeling to the user and to detect the lever position relative to the contoured surface.
  • This contoured surface may be any suitable surface, for example, a 3D-relief surface, a non-flat or irregular surface having channels or grooves where the selector lever passes.
  • the detection means work with a magnetic field in which case the emitting means comprise a magnet which may be overmolded within the selector lever end.
  • the receiving means of said detection means include an electronic board that is fitted adjacent to said contoured surface, for example below said surface.
  • the electronic board may be provided with sensors, such as Hall sensors, which detect variations in the magnetic field from the magnet attached to the lever end.
  • Suitable detection means may be alternatively used, such as optical means, switches, etc.
  • the magnetic field emitted from the magnet varies as the position of the shift lever is varied, and this variation of the magnetic field is sensed by the Hall sensors in the electronic board.
  • a command signal is then emitted to a transmission programmed electronic unit for remote gearchange.
  • the detection means further include a metal plate (e.g. a ferromagnetic plate) that is coupled with the electronic board for enhancing the magnetic field.
  • a metal plate e.g. a ferromagnetic plate
  • the selector lever comprises a main shaft and a follower finger located at the lever end.
  • the follower finger is displaced axially relative to the main shaft as it passes over the contoured surface, that is, as the finger end is "reading" the surface, due to the action of the biasing means.
  • Biasing means act on the follower finger such that it is urged against the contoured surface.
  • the biasing means may comprise, for example, a compression spring arranged outside and around the selector lever main shaft urging the follower finger downwardly against the contoured surface.
  • the follower finger is hollow so that the lower end of the selector lever main shaft may be inserted therein. Therefore, the shifting device may be fitted in standard levers only adapting finger and spring size to the lever main shaft outer diameter. By combining this along with an updated contoured surface (through a programmable software), the shifting device may be adapted to a wide variety of gearshift assemblies in most of the currently existing types of vehicles.
  • a high performance, improved shift-by-wire gearshift device is provided according to the invention, which performs four main functions:
  • the shift-by-wire gearshift device of the embodiment shown in the figures has been indicated as a whole by reference numeral 1. It comprises a selector lever 2 having a main shaft 5 (partly shown in the figures) that is linked to a housing 3 through a crosspiece 4a, 4b.
  • Crosspiece 4a, 4b consists of a first shaft 4a hinged transversely to the main shaft 5 of the selector lever 2 and a pivotable body 4b hinged transversely to the main shaft 5 and to the first shaft 4a.
  • Other mechanical linkages may alternatively used, such as ball-joints or the like.
  • the housing 3 has an upper opening 1a through which part of the selector lever 2 exits.
  • the selector lever 2 has a lower follower finger 6 fitted in the main shaft 5.
  • the follower finger 6 may be clearly seen in the enlarged view of Fig. 5 .
  • the follower finger 6 is hollow so that the main shaft 5 may be properly inserted therein.
  • the follower finger 6 may be displaced axially relative to the main shaft 5 of the lever 2.
  • Biasing means 7 comprising a compression spring are provided between projections 5a, 6a that project out radially from the main shaft 5 and the follower finger 6, respectively.
  • the spring 7 is arranged between said projections 5a, 6a, outside and around the main shaft 5 of the selector lever 2 such that the spring 7 urges the follower finger 6 downwardly against a contoured surface 8 arranged at the bottom of the housing 1 in such a way that the selector lever tip 2a is always substantially in contact with said contoured surface 8.
  • the contoured surface 8 is a 3D-relief surface having uneven grooves or channels 8a in which the selector lever tip 2a passes. This provides the user with a shifting feeling as the selector lever 2 is operated for remotely controlling the motor vehicle transmission.
  • the end portion of the follower finger 6 of the selector lever 2 is provided with a properly sized O-ring 12 working in compression for a proper end-of-travel feeling in each of the possible directions of the selector lever 2.
  • the shift-by-wire gearshift device 1 further comprises detection means comprising emitting means 9a and receiving means 9b for detecting the position of the selector lever tip 2a on the contoured surface 8.
  • the emitting means 9a comprise a magnet that is attached to the selector lever 2, for example overmolded within the selector lever tip 2a.
  • the magnet 9a generates a magnetic field strong enough to be detected by the receiving means 9b.
  • the receiving means 9b comprise an electronic board that is fitted below the contoured surface 8, at the bottom thereof, such as shown in Fig. 5 of the drawings.
  • the electronic board is provided with a series of Hall sensors 10 arranged at the bottom of the grooves or channels 8a of the contoured surface 8. Variations in the magnetic field as the position of the selector lever tip 2a is varied are detected by sensors 10. A command signal is then emitted to a transmission programmed electronic unit (not shown) for remote gearchange.
  • the detection means further include a metal plate 11, for example a ferromagnetic plate, that is coupled with the electronic board for enhancing the magnetic field from the magnet 9a.
  • a metal plate 11 for example a ferromagnetic plate
  • detection means comprising the emitting and the receiving means 9a, 9b
  • feeling means provided by the selector lever tip 2a, the biasing means 7 and the contoured surface 8) when the selector lever 2 is operated by the user. Both feeling and detection functions are performed by the selector lever 2.

Claims (8)

  1. "Shift-by-wire"-Schaltvorrichtung, enthaltend einen Wählhebel (2), der von einem Benutzer betätigt werden kann, um fernbedient ein Kraftfahrzeuggetriebe zu steuern, Vorspanneinrichtungen (7), die ein Ende (2a) des Wählhebels (2) mit einer profilierten Oberfläche (8) in Kontakt halten, um dem Benutzer ein Schaltgefühl zu geben, und Erfassungseinrichtungen, die Sendeeinrichtungen (9a) und Empfangseinrichtungen (9b) enthalten, wobei die Sendeeinrichtungen (9a) oder die Empfangseinrichtungen (9b) am Ende (2a) des Wählhebels (2) derart angebracht sind, das die Position des Endes (2a) des Wählhebels (2) auf der profilierten Oberfläche (8) erfasst werden kann, dadurch gekennzeichnet, dass der Wählhebel (2) eine Hauptwelle (5) und einen Mitnehmerfinger (6) enthält, wobei der Finger (6) das Ende (2a) des Wählhebels (2) bildet und axial relativ zur Hauptwelle (5) verschoben werden kann und die Vorspanneinrichtungen (7) auf den Mitnehmerfinger (8) derart einwirken, dass der Mitnehmerfinger (6) gegen die profilierte Oberfläche (8) gedrückt wird.
  2. "Shift-by-wire"-Schaltvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Sendeeinrichtungen (9a) in das Ende (2a) des Wählhebels (2) eingepasst sind.
  3. "Shift-by-wire"-Schaltvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Sendeeinrichtungen (9a) einen Magnet beinhalten.
  4. "Shift-by-wire"-Schaltvorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Empfangseinrichtungen (9b) eine Schaltkarte sind, die benachbart der profilierten Oberfläche (8) angebracht sind, wobei die Schaltkarte mit Sensoren (10) ausgestattet ist, die Änderungen im Magnetfeld vom Magnet erfassen.
  5. "Shift-by-wire"-Schaltvorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die Erfassungseinrichtungen weiterhin eine Metallplatte (11) enthalten, die mit der Schaltkarte verbunden sind, um das Magnetfeld zu verstärken.
  6. "Shift-by-wire"-Schaltvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die profilierte Oberfläche (8) eine 3D-Relief-Oberfläche ist.
  7. "Shift-by-wire"-Schaltvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Vorspanneinrichtungen (7) eine Feder enthalten.
  8. "Shift-by-wire"-Schaltvorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass das untere Ende der Wählhebel-Hauptwelle (5) in den Mitnehmerfinger (6) eingefügt ist, wobei die Druckfeder außerhalb und um die Wählhebel-Hauptwelle (5) angeordnet ist und den Mitnehmerfinger (6) gegen die profilierte Oberfläche (8) drückt.
EP05107368A 2005-08-10 2005-08-10 "Shift-by-wire"-Schaltvorrichtung Not-in-force EP1752688B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP05107368A EP1752688B1 (de) 2005-08-10 2005-08-10 "Shift-by-wire"-Schaltvorrichtung
AT05107368T ATE421056T1 (de) 2005-08-10 2005-08-10 ßSHIFT-BY-WIREß-SCHALTVORRICHTUNG
DE602005012387T DE602005012387D1 (de) 2005-08-10 2005-08-10 "Shift-by-wire"-Schaltvorrichtung
US11/501,945 US20070034041A1 (en) 2005-08-10 2006-08-09 Shift-by-wire gearshift device
JP2006218155A JP5042560B2 (ja) 2005-08-10 2006-08-10 シフトバイワイヤギアシフト装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05107368A EP1752688B1 (de) 2005-08-10 2005-08-10 "Shift-by-wire"-Schaltvorrichtung

Publications (2)

Publication Number Publication Date
EP1752688A1 EP1752688A1 (de) 2007-02-14
EP1752688B1 true EP1752688B1 (de) 2009-01-14

Family

ID=35502581

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05107368A Not-in-force EP1752688B1 (de) 2005-08-10 2005-08-10 "Shift-by-wire"-Schaltvorrichtung

Country Status (5)

Country Link
US (1) US20070034041A1 (de)
EP (1) EP1752688B1 (de)
JP (1) JP5042560B2 (de)
AT (1) ATE421056T1 (de)
DE (1) DE602005012387D1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101680536B (zh) * 2007-03-28 2012-12-26 Zf腓特烈港股份公司 具有换挡杆返回装置的操作装置
FR2985589A1 (fr) * 2012-01-11 2013-07-12 Eca Faros Simulateur de boite de vitesse a commande manuelle pour vehicule automobile

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EP2112408B1 (de) * 2008-04-23 2011-12-21 Fico Triad S.A. Shift-by-Wire-Schaltanordnung
DE102008001805A1 (de) * 2008-05-15 2009-11-19 Zf Friedrichshafen Ag Betätigungseinrichtung mit Force Feedback
EP2184517B1 (de) * 2008-11-11 2015-07-29 Fico Triad S.A. Shift-by-Wire-Schaltvorrichtung
GB2465979B (en) * 2008-12-03 2012-10-10 Gm Global Tech Operations Inc Bus system for a motor vehicle
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DE102010064007A1 (de) * 2010-12-23 2012-06-28 Bayerische Motoren Werke Aktiengesellschaft Schaltvorrichtung mit Schaltzustandserkennung
CN103575447B (zh) * 2012-08-10 2016-02-17 上海通用汽车有限公司 换挡力可调的试验装置以及使用其评估换挡力的方法
EP2728224B1 (de) * 2012-10-30 2018-02-14 Kongsberg Automotive AB Schaltanordnung mit drehbaren Zwillingskolben
DE112014004064T5 (de) 2013-09-06 2016-06-02 Kongsberg Automotive Ab Schaltvorrichtung mit einer Sensoranordnung
JP6407745B2 (ja) * 2015-02-05 2018-10-17 株式会社東海理化電機製作所 シフト装置
JP6228954B2 (ja) * 2015-07-13 2017-11-08 株式会社東海理化電機製作所 レバー装置
JP6594708B2 (ja) * 2015-08-27 2019-10-23 株式会社東海理化電機製作所 シフト装置
US10107388B2 (en) * 2015-12-16 2018-10-23 Dura Operating, Llc Vehicle shifter assembly
DE102015225494A1 (de) * 2015-12-16 2017-06-22 Zf Friedrichshafen Ag Schalthebel und Verfahren zum Herstellen eines Schalthebels
DE102016122344B4 (de) * 2016-11-21 2018-08-16 Preh Gmbh Betätigungseinrichtung und deren Verwendung für ein elektromechanisches oder hydromechanisches Kraftfahrzeuggetriebe insbesondere eines landwirtschaftlichen Nutzfahrzeugs
CN107448594A (zh) * 2017-08-22 2017-12-08 上海荣乐汽车电子有限公司 一种消音大阻尼自复位轨道机构
US11073205B2 (en) 2019-03-29 2021-07-27 Dus Operating Inc. Shift lever assembly with position sensing
WO2022120815A1 (zh) * 2020-12-11 2022-06-16 法可赛(太仓)汽车配件有限公司 电子换挡器
JP2022119598A (ja) * 2021-02-04 2022-08-17 トヨタ自動車株式会社 遠隔運転装置及び遠隔運転システム

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Publication number Priority date Publication date Assignee Title
CN101680536B (zh) * 2007-03-28 2012-12-26 Zf腓特烈港股份公司 具有换挡杆返回装置的操作装置
FR2985589A1 (fr) * 2012-01-11 2013-07-12 Eca Faros Simulateur de boite de vitesse a commande manuelle pour vehicule automobile

Also Published As

Publication number Publication date
EP1752688A1 (de) 2007-02-14
ATE421056T1 (de) 2009-01-15
DE602005012387D1 (de) 2009-03-05
JP5042560B2 (ja) 2012-10-03
JP2007045401A (ja) 2007-02-22
US20070034041A1 (en) 2007-02-15

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